Fifth Lecture
IP addressing:
what is an ip address ?
An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication.
it consists of 4 digits separated by dot "." each digit has 8 bits , e.g: 192.168.10.1
It is classified into 5 classes:
IP addressing:
what is an ip address ?
An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication.
it consists of 4 digits separated by dot "." each digit has 8 bits , e.g: 192.168.10.1
It is classified into 5 classes:
e.g: Class A: 192.0.0.0
Class B: 192.168.0.0
Class C:192.168.10.0
Class A we can put a lot of devices and it has the largest amount among classes,
Class B contains less, and class C contains the least.
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DNS & DHCP
DNS
(Domain Name service)
An internet service that translates domain names into IP
addresses and visa verse.
Ex: google IP: 173.194.41.70
DHCP(Dynamic Host Configuration Protocol)
is a network protocol used to assign IP addresses and
provide configuration information to devices such as servers, desktops, or
mobile devices, so they can communicate on a network using the Internet
Protocol (IP).
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